IP Library › Granted Patent US 6,540,203
Granted Patent Utility
US 6,540,203 · Confirmation No. 8262

PILOT OPERATED MICROVALVE DEVICE

Inventor: Harry A. Hunnicutt
Patented Case View Patent ↗
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 Code Description Pages PDF
2005-07-12 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2002-03-28 TRNA Transmittal of New Application 4 View
2002-03-28 SPEC Specification 57 View
2002-03-28 CLM Claims 13 View
2002-03-28 ABST Abstract 1 View
2002-03-28 DRW Drawings-only black and white line drawings 25 View
2002-03-28 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,540,203
App. No.
10/108,329
Filed
2002-03-28
Granted
2003-04-01
Art Unit
3754
PTA
0 days